tpws: deny connections to 0.0.0.0

tpws/helpers.c

@@ -155,8 +155,9 @@ bool saconvmapped(struct sockaddr_storage *a)
 
 bool is_localnet(const struct sockaddr *a)
 {
-	return a->sa_family==AF_INET && *(char*)&((struct sockaddr_in *)a)->sin_addr.s_addr==127 ||
-		a->sa_family==AF_INET6 && saismapped((struct sockaddr_in6 *)a) && ((struct sockaddr_in6 *)a)->sin6_addr.s6_addr[12]==127;
+	// 0.0.0.0, ::ffff:0.0.0.0 = localhost in linux
+	return a->sa_family==AF_INET && (*(char*)&((struct sockaddr_in *)a)->sin_addr.s_addr==127 || !((struct sockaddr_in *)a)->sin_addr.s_addr) ||
+		a->sa_family==AF_INET6 && saismapped((struct sockaddr_in6 *)a) && (((struct sockaddr_in6 *)a)->sin6_addr.s6_addr[12]==127 || !*(uint32_t*)(((struct sockaddr_in6 *)a)->sin6_addr.s6_addr+12));
 }
 bool is_linklocal(const struct sockaddr_in6 *a)
 {

tpws/tpws_conn.c

@@ -842,7 +842,7 @@ static bool handle_proxy_mode(tproxy_conn_t *conn, struct tailhead *conn_list)
 									}
 									if (params.debug>=2)
 									{
-										printf("socks5 hostname resolved to : \n");
+										printf("socks5 hostname resolved to :\n");
 										print_addrinfo(ai);
 									}
 									memcpy(&ss,ai->ai_addr,ai->ai_addrlen);